Linux 批量修改密码

1. cat chpw.sh
   
2. #!/bin/bash
   
3. # Yunlin Fang
   
4. # May 5, 2011
   
5. # Change password for uid between 500 and 1000
   
6. 
   
7. log=chpw.log
   
8. > $log
   
9. for username in `awk 'FS=":" {if ($3 >= 500 && $3 < 1000) print $1}' /etc/passwd`; do
   
10.         password=`openssl passwd $RANDOM`
    
11.         echo $password | passwd --stdin $username &> /dev/null
    
12.         echo -e "$username\t->\t$password" >> $log
    
13. done
    
14. [root@localhost ~]#
    
15. [root@localhost ~]# cat chpw.log
    
16. yunlin  ->      1ORnFX2niYOcM
    
17. test    ->      0k3OICadTkECA